Patents
Patents for H04B 17 - Monitoring; Testing (29,423)
05/2000
05/16/2000US6064694 Frequency translating device transmission response system
05/16/2000US6064655 Method and apparatus for temperature compensation in a time division multiplex receiver
05/11/2000DE19851550A1 Verfahren zum Messen und Zuordnen von Störsignalen in zellularen Funknetzen A method for measuring and mapping of noise in cellular radio networks
05/11/2000DE19849784A1 Resources distribution method for radio communication system
05/10/2000EP0999659A2 Method and base station for testing the operation of the reception branches
05/10/2000CN1252651A Answering determining method, communication method and radio receiving-transmitting unit
05/09/2000US6061394 Digital communication system modulated signal generation apparatus incorporating fading simulator
05/09/2000US6061393 Non-invasive digital cable test system
05/09/2000US6061339 Fixed wireless loop system having adaptive system capacity based on estimated signal to noise ratio
05/04/2000WO2000025451A1 Method and apparatus for monitoring an optical wdm network
05/04/2000WO2000025445A1 Method and apparatus for calibration of a wireless transmitter
05/04/2000WO1999054960A9 Phased array antenna calibration system and method using array clusters
05/04/2000DE19948039A1 Antennen-Array-Kalibrierung Antenna array calibration
05/03/2000EP0998056A2 Radio communication apparatus and transmission antenna changing method
05/03/2000EP0997976A1 Attenuator for attenuation of a radio link for a terminal adaptor with integrated antenna
05/03/2000EP0997014A1 Mobile station locating system and method
05/03/2000EP0997004A1 Device and method for measuring non-orthogonal noise power for cdma communication system
05/03/2000EP0824806A4 Method and apparatus for controlling frequency deviation of a portable transceiver
05/03/2000CN1252203A Predictive coding method and decoding method for dynamic image
05/02/2000US6058261 RF channel simulator
05/02/2000US6058105 Multiple antenna communication system and method thereof
05/02/2000US6057882 Testing architecture for digital video transmission system
04/2000
04/27/2000WO2000024083A1 An antenna alignment meter
04/27/2000DE19946017A1 Subscriber for radio data transmission network, has transceiver component with provision of transmission channels
04/27/2000DE19847135A1 Verfahren zum Lesen der in einem Transponder gespeicherten Daten und Transpondersystem zur Durchführung des Verfahrens A method for reading the stored data in a transponder and transponder system for performing the method
04/27/2000DE19801785C2 Verfahren und Kommunikationssystem zur Behandlung von Alarmen durch ein mehrere Managementebenen aufweisendes Managementnetz Method and communication system for handling alarms through a number of management levels exhibiting management network
04/26/2000EP0996269A1 Method for automatically ,monitoring continuity and integrity of communication trunks
04/26/2000EP0996243A1 Method and apparatus for monitoring an optical WDM network
04/26/2000EP0996239A2 Automatic power control system for a code division multiple access (CDMA) communications system
04/26/2000EP0995287A2 Device and method for determining characteristics of a digital subscriber line
04/26/2000EP0995273A2 Am quality detector
04/26/2000CN1051902C Moveable radio communication apparatus with function for monitoring receiving/transmitting state
04/26/2000CN1051889C Method for forming quality measure for signal bursts
04/20/2000WO2000022803A1 Measurement of speech signal quality
04/19/2000EP0994578A2 Adaptation of radio transmission parameters and optimisation of positioning of a cordless communication system
04/19/2000EP0994364A1 Procedure for reading the data stored in a transponder and a transponder system for the execution of the procedure
04/19/2000EP0993706A2 Device and method for a mobile station for receiving signals transmitted from a base station
04/18/2000US6052796 Method and system for augmenting communications network with spare capacity
04/18/2000US6052587 Signal assessed user terminal system access in satellite communication systems
04/18/2000US6052570 RSSI comparison circuit for a time duplex system
04/18/2000US6052064 Method and apparatus in a wireless messaging system for dynamic creation of directed simulcast zones
04/13/2000WO2000021226A2 Method and arrangement for monitoring base station antenna condition
04/13/2000WO2000021222A1 Device for detecting power-on of portable phone and warning device
04/13/2000CA2343759A1 A method and an arrangement for testing receiver antennas in a radio system
04/12/2000EP0993146A2 A method and apparatus for measuring network performance and stress analysis
04/12/2000EP0992136A1 Method for searching for useable transmission frequencies for television and radio broadcasting systems
04/12/2000CN1250263A Continuity and integrity method of automatic monitoring communication trunk line
04/12/2000CN1250235A Method and apparatus for antenna array calibration
04/12/2000CN1051416C A method and apparatus for determining signal usability
04/11/2000US6049699 Apparatus for improving the signal to noise ratio in wireless communication systems through message pooling and method of using the same
04/09/2000CA2280333A1 A method and apparatus for measuring network performance and stress analysis
04/06/2000WO2000019761A1 An interference detection method and an interference avoidance method
04/06/2000WO2000019745A1 Avoiding interference from a potentially interfering transmitter in a wireless communication system
04/06/2000WO2000019731A2 Device and method for implementing handoff in mobile communication system
04/06/2000WO2000019634A1 Method for the communication of information and apparatus employing the method
04/06/2000WO1999066643A3 Device and method for measuring non-orthogonal noise power for cdma communication system
04/05/2000EP0991211A2 Device and method of determining quality of radio communication in a mobile communication system
04/05/2000EP0991205A2 Automatic power control for a CDMA communications system
04/05/2000EP0990317A1 Timing control of transmission time slot
04/05/2000CN1249872A Frame-error detection method and device for error masking, specially in GSM transmissions
04/05/2000CN1249644A Apparatus and related method for displaying probability of success communication in mobile radio terminal
04/05/2000CN1249570A Apparatus and method for determining radio communication quality in mobile communication system
04/05/2000CN1051186C Method for testing transceiver, and base station of time-divisional radiocommunication system
04/04/2000US6047238 Method and a device for path profile generation
04/04/2000US6047189 Adaptive method for channel assignment in a cellular communication system
04/04/2000US6047035 Method and device for quantizing the input to soft decoders
04/04/2000US6046987 Instrument for measuring leakage power leaking to adjacent channel
04/04/2000US6046623 Signal detecting circuit
03/2000
03/30/2000WO2000018163A1 Method and apparatus for checking the quality of service provided by a cellular telephone system
03/30/2000WO2000018158A1 Scanning radio receiver for a wireless communication system
03/30/2000WO2000018043A1 Method and system for detecting loss of signal in wavelength division multiplexed systems
03/30/2000CA2344152A1 Method and apparatus for checking the quality of service provided by a cellular telephone system
03/30/2000CA2279467A1 Method for automatically monitoring continuity and integrity of communication trunks
03/29/2000CN1249089A Radio apparatus with adjustable reception quality
03/29/2000CN1249088A Method and apparatus for determining radio wave propagation attenuation
03/28/2000US6044482 Digital transmission system for encoding and decoding attribute data into error checking symbols of main data
03/28/2000US6044277 Demand-assigned satellite communications system
03/28/2000US6043780 Antenna adapter
03/23/2000WO2000016532A2 Dynamic communication channel switching for computer networks
03/23/2000WO2000016504A1 A method of base station reconfiguration
03/22/2000EP0987824A2 Radio receiver using digital signal processing for reception and demodulation of wireless transmissions
03/22/2000EP0986884A1 Modulation classification using rssi
03/22/2000CN1248370A Channel impulse response estimation using singular value decomposition
03/22/2000CN1248359A Method of estimating interference level in radio system
03/21/2000US6041217 Personal handyphone system hardware checking of broadcasting reception indication
03/21/2000US6041216 Radio communication system for use in tunnels
03/21/2000US6041077 Frequency translating device transmission response method
03/21/2000US6041076 Digitally modulated CATV power measurement using undersampling
03/16/2000WO2000014913A2 Distributed communcations network management and control system
03/16/2000WO2000014912A1 Measuring method for communication device
03/16/2000WO2000014899A1 Energy based communication zero-rate detection system and method
03/16/2000WO2000014894A1 System and method for probability based lock detection
03/16/2000DE19842075A1 Circuit for costing high frequency systems, e.g. mobile telephone transmitter stations, radio or television transmitters; determines work from measured power
03/15/2000EP0986188A2 Code division multiple access (CDMA) modem
03/15/2000EP0986187A2 A pilot vector correlator apparatus for a CDMA modem
03/15/2000EP0986186A2 Adaptive matched filter
03/15/2000CN1247679A Channel strength measurement shifting scheme
03/15/2000CN1247647A Power saving device for radio communication terminal
03/15/2000CN1247438A Self-diagnosing method for detecting failure of transceiver inside radio receiving unit
03/14/2000US6038253 Data receiver with symbol rate discrimination and statistical analysis functions